/* Final marketing hierarchy. No changes to approved brand artwork. */
@layer responsive {
  .hero { grid-template-columns: 1.14fr 1fr; gap: clamp(28px,4vw,58px); padding-block: 55px 48px; }
  .hero h1 { font-size: clamp(38px,4.4vw,62px); line-height: 1.1; }
  .hero h1 span { font-size: .82em; letter-spacing: -.045em; }
  .hero-engineering { color: var(--blue); font-size: 20px; line-height: 1.4; margin-top: 20px; max-width: 490px; }
  .hero-description { font-size: 15px; line-height: 1.75; margin-top: 18px; }
  .hero-actions { gap: 24px; flex-wrap: wrap; margin-top: 27px; }
  .hero-actions .button { gap: 20px; }
  .hero-note { margin-top: 28px; }
  .hero-retouch-note { font-size: 10px; }
  .section { padding-block: 76px; }
  .portfolio-section { padding-top: 70px; }
  .portfolio-tabs { margin-top: 26px; }
  .portfolio-tabs button { min-height: 84px; }
  .portfolio-panel { padding-top: 26px; }
  .portfolio-gallery { gap: 24px; }
  .portfolio-card h4 { font-size: 21px; }
  .portfolio-card>.portfolio-status { font-size: 10px; }
  .portfolio-more { margin-top: 24px; }
  .portfolio-panel>.text-link { display: none; }
  .proof-links { display: grid; grid-template-columns: 1.2fr 1fr 1fr; margin-top: 38px; border-block: 1px solid var(--line); }
  .proof-links>div, .proof-links>a { padding: 25px 26px; min-width: 0; }
  .proof-links>div { padding-left: 0; }
  .proof-links>a { border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; gap: 6px; }
  .proof-links p { margin-top: 7px; color: var(--muted); font-size: 13px; }
  .proof-links strong { font-size: 16px; font-weight: 500; }
  .proof-links>a>span { font-size: 11px; color: var(--muted); }
  .proof-links>a:hover { background: var(--wash); }
  .portfolio-next { display: flex; justify-content: space-between; align-items: center; gap: 25px; margin-top: 25px; }
  .portfolio-next p { font-size: 14px; color: var(--muted); max-width: 550px; }
  .static-portfolio { padding-top: 25px; }
  .static-portfolio a { text-decoration: underline; }
  .entry-section { padding-block: 65px; }
  .entry-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 16px 40px; }
  .entry-heading>.eyebrow { grid-column: 1/-1; }
  .entry-heading>p:last-child { font-size: 14px; color: var(--muted); max-width: 420px; justify-self: end; }
  .entry-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; border: 1px solid var(--line); margin-top: 32px; }
  .entry-grid>a { padding: 30px; display: flex; flex-direction: column; min-width: 0; }
  .entry-grid>a+a { border-left: 1px solid var(--line); }
  .entry-grid>a:hover { background: var(--wash); }
  .entry-number { font: 12px 'Courier New',monospace; color: var(--accent); margin-bottom: 20px; }
  .entry-grid h3 { font-size: 27px; }
  .entry-grid p { color: var(--muted); font-size: 14px; line-height: 1.75; margin-block: 16px 22px; }
  .entry-action { font-size: 13px; padding-top: 15px; border-top: 1px solid var(--line); margin-top: auto; }
  #services { border-top: 1px solid var(--line); }
  .service-card { padding: 32px; }
  .service-card:not(.manufacture-card) { padding-inline: 32px; }
  .service-card h3 { font-size: 30px; }
  .service-card .card-top { margin-bottom: 22px; }
  .service-card:not(.manufacture-card) .plain-list { display: none; }
  .service-card:not(.manufacture-card)>p { max-width: 100%; }
  .service-card .service-num { font-size: 11px; }
  .service-brand-logo { width: min(100%,310px); height: auto; margin-block: -4px 18px; }
  .service-card .card-link,.service-card:not(.manufacture-card) .card-link { font-size: 14px; }
  .manufacture-card .card-condition { font-size: 12px; }
  .manufacture-card h3 { font-size: 40px; }
  .manufacture-card>p:not(.card-condition) { font-size: 16px; }
  .manufacture-card .plain-list { font-size: 14px; margin-block: 24px 18px; }
  .deliverables-layout { margin-top: 35px; }
  .tab-list button { min-height: 70px; }
  .steps { margin-top: 36px; }
  .steps p { font-size: 14px; line-height: 1.75; }
  .direct-send { margin-top: 28px; gap: 20px; }
  .request-contact { display: flex; }
  .request-copy h2 { font-size: clamp(38px,4vw,55px); }
  .request-form>h3 { font-size: 24px; line-height: 1.3; margin-bottom: 25px; letter-spacing: -.025em; }
  .request-details { border-block: 1px solid #ffffff35; margin-block: 20px 24px; }
  .request-details summary { min-height: 48px; cursor: pointer; font-size: 13px; padding-block: 14px; color: #d3dfe7; }
  .request-details[open] summary { margin-bottom: 15px; }
  .request-details .field { font-size: 12px; }
  .form-note { font-size: 12px; line-height: 1.75; }
  .contact-person { font-size: 13px; color: var(--muted); margin-bottom: 15px; }
  .mobile-contact-bar { display: none; }
  .gallery-version-toggle { min-height: 44px; }
  .gallery-image-stage img { aspect-ratio: auto; }
  @media (min-width: 1001px) {
    .services-grid { grid-template-columns: 3fr 2fr; gap: 20px; }
    .manufacture-card { grid-column: 1; grid-row: 1/span 2; display: flex; }
    .manufacture-card .card-top { margin-bottom: 35px; }
    .manufacture-card .card-link { align-self: auto; }
    .manufacture-card .plain-list { margin-block: 28px; }
  }
  @media (max-width: 1120px) {
    .brand.brand-pair { width: min(390px,75%); }
    .hero-engineering { font-size: 18px; }
    .hero-actions .button { font-size: 13px; padding-inline: 19px; }
    .proof-links>div,.proof-links>a { padding: 22px 20px; }
    .proof-links>div { padding-left: 0; }
    .entry-grid>a { padding: 25px; }
  }
  @media (max-width: 1000px) {
    .hero { gap: 26px; }
    .hero h1 { font-size: 40px; }
    .hero h1 span { font-size: .82em; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .manufacture-card { grid-column: 1/-1; display: flex; }
    .manufacture-card .plain-list { margin-top: 25px; }
    .proof-links { grid-template-columns: 1fr 1fr; }
    .proof-links>div { grid-column: 1/-1; border-bottom: 1px solid var(--line); padding-block: 18px; }
    .proof-links>a:first-of-type { border-left: 0; padding-left: 0; }
  }
  @media (max-width: 760px) {
    html { scroll-padding-top: 105px; }
    body { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
    .hero { grid-template-columns: 1fr; padding-block: 32px; gap: 30px; }
    .hero h1 { font-size: clamp(36px,6.5vw,49px); }
    .hero h1 span { font-size: .88em; }
    .hero-engineering { font-size: 18px; margin-top: 18px; }
    .hero-description { font-size: 15px; }
    .hero-actions { gap: 17px; margin-top: 24px; }
    .hero-actions .text-link { font-size: 13px; }
    .hero-art { max-width: 600px; }
    .service-strip a { min-height: 52px; }
    .section { padding-block: 54px; }
    .portfolio-section { padding-top: 48px; }
    .portfolio-tabs { grid-template-columns: 1.3fr 1fr 1fr; }
    .portfolio-tabs button,.portfolio-tabs button+button { font-size: 14px; padding: 17px 12px; min-height: 76px; }
    .portfolio-tabs button span { font-size: 9px; letter-spacing: 0; }
    .portfolio-gallery { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
    .portfolio-intro h3 { font-size: 23px; }
    .portfolio-card h4 { font-size: 19px; }
    .documentation-gallery { grid-template-columns: 1fr; }
    .portfolio-next { align-items: flex-start; flex-direction: column; gap: 16px; }
    .entry-section { padding-block: 45px; }
    .entry-heading { display: block; }
    .entry-heading h2 { margin-top: 15px; }
    .entry-heading>p:last-child { margin-top: 18px; max-width: 100%; }
    .entry-grid { grid-template-columns: 1fr; margin-top: 26px; }
    .entry-grid>a { padding: 25px; }
    .entry-grid>a+a { border-left: 0; border-top: 1px solid var(--line); }
    .entry-number { margin-bottom: 14px; }
    .entry-grid h3 { font-size: 26px; }
    .entry-grid p { margin-block: 12px 16px; }
    .manufacture-card h3 { font-size: 33px; }
    .service-card h3 { font-size: 27px; }
    .service-card,.service-card:not(.manufacture-card) { padding: 27px; }
    .request-layout { gap: 35px; }
    .request-copy h2 { font-size: 42px; }
    .request-copy>p:not(.eyebrow) { max-width: 100%; }
    .request-contact { margin-top: 15px; }
    .request-contact>a:first-of-type { font-size: 24px; }
    .request-form { padding-top: 28px; }
    .proof-links strong { font-size: 14px; }
    .proof-links>a { padding-inline: 18px; }
    .mobile-contact-bar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 19; display: grid; grid-template-columns: 1fr 1.5fr; background: white; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-contact-bar a { min-height: 58px; display: flex; align-items: center; justify-content: center; font-size: 13px; }
    .mobile-contact-bar a:last-child { background: var(--blue); color: white; }
    .mobile-contact-bar a:focus-visible { outline-offset: -4px; }
    .footer-inner { padding-bottom: 18px; }
  }
  @media (max-width: 460px) {
    .brand.brand-pair { width: calc(100% - 53px); grid-template-columns: 3fr 2fr; }
    .pmk-wordmark strong { font-size: 23px; }
    .hero h1 { font-size: clamp(33px,8.5vw,39px); }
    .hero h1 span { font-size: .81em; }
    .hero-engineering { font-size: 17px; }
    .hero-actions { flex-direction: column; align-items: flex-start; gap: 8px; }
    .hero-actions .button { width: 100%; min-height: 54px; justify-content: space-between; padding-inline: 20px; }
    .hero-note { font-size: 12px; margin-top: 20px; }
    .portfolio-gallery { grid-template-columns: 1fr; }
    .portfolio-tabs button,.portfolio-tabs button+button { font-size: 12px; padding-inline: 9px; }
    .portfolio-tabs button span { font-size: 8px; }
    .proof-links { grid-template-columns: 1fr; }
    .proof-links>a,.proof-links>a:first-of-type { border-left: 0; border-top: 1px solid var(--line); padding: 18px 0; }
    .proof-links>div { border-bottom: 0; }
    .proof-links strong { font-size: 16px; }
    .services-grid { grid-template-columns: 1fr; }
    .entry-grid p,.steps p { font-size: 14px; }
    .steps { grid-template-columns: 1fr; gap: 25px; }
    .steps h3 { font-size: 20px; margin-top: 14px; }
    .request-copy h2 { font-size: 38px; }
    .direct-send { width: 100%; font-size: 13px; gap: 12px; }
    .portfolio-next .button { width: 100%; }
  }
}